Your goal is to oxygenate the red blood cells by touching them. you control the white blood cell. beware of invading bacteria, they'll kill your precious red cells! you can eat them by touching them. once a red blood cell is dead, it can never be revived. blue cells are without oxygen, red cells have been oxidized, and gray cells are dead. your white cell cannot be hurt, but if you run out of oxygen, you lose! oxygen is displayed in the top right hand corner. good luck!
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